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[Graphophone patents] (1878)

United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 797

An illustration from [Graphophone patents], 1878, leaf 797
m, meansfor maintaining said part in engagement withthe hub, a stylus-supporting member ful-crumed in said arm and a rack carried bysaid member and engaging said toothed part,substantially as described. In testimony that I claim the foregoing 1have hereunto set my hand this 21st dav ofOctober,… … jAr/Lr^ o&trf&u INVENTORATTORNEYS „ «o»«is «fe« co. S™™ °- c UNITED STATES PATENT OFFICE. WILLIAM HELM HOYT, OF WYOMING, NEW JERSEY.APPARATUS FOR MAKING FLAT TALKING-MACHINE RECORDS. Wo. 847,338. Specification of Letters Patent. jra^entect Marcn 19, 1907. Application filed February 6,1906.…

Phonograph · Patents

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